Switch cabinet partial discharge and temperature on-line monitoring device

The utility model discloses a partial discharge and temperature on-line monitoring device of a switch cabinet. Sensing ends of the UHF antenna sensor and the noise sensor are arranged outside the monitoring box; alarm device arranged in left chamber, the display screen is arranged on the side wall of the monitoring box; the micro passive wireless temperature measuring sensor is arranged in the right chamber; the number of the soft magnetic alloy sheets is two. The temperature sensors are arranged at the two ends of the miniature passive wireless temperature measuring sensor respectively. The other ends of the two soft magnetic alloy sheets are respectively provided with a buckle and a snap ring; the housing of the miniature passive wireless temperature measurement sensor is a metal housing. The device can eliminate external interference signals, automatically give an alarm, eliminate pulse impact interference of an interference switch, avoid influence on original equipment, display themonitoring state in real